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by a cambridge electorate. at school, he was actually discouraged from pursuing a career in science. >> it was a completely ridiculous idea because there was no hope whatsoever of my doing science and then a time spent on it would be a total waste on my part and whoever had to teach me. but the nobel jury beg to differ. >> we now knew that -- know that development is not strictly a one-way street. >> there is hope that their work will pave the way for developing methods to diagnose and treat many diseases. >> to find out more about this, we are joined by our science correspondent. a lot of people around the world are working in stem cell research. why did these two get the prize? >> they got it for the same reason a lot of nobel prize laureates have gotten it -- they went against the currents. we used to believe that cell differentiation only went in one direction. you had these undifferentiated cells, stem cells, and then they became something in the course of development. in the embryo has a lot of them and they turn into bone, skin, liver. everyone thought it only went in one dir
of marine science says the pace of damages kicking up. cyclones of predatory starfish are the main causes along with: gas shipments and global warming. >> coral reefs provide the breeding ground for countless species of fish. the great barrier reef is no exception. commercial fishing is now mostly banned across much of the area. three 6 cents more than 2,600 kilometers along the us trillion coast. the northern part of the refinements largely intact. it is the southern part scientists are worried about. severe storms are said to have cost nearly 50 percent -- said to have caused nearly 50% of the damage. a further 40% was caused by starfish that feed on the coral. one species, the crown of thorns, has proven especially deadly for the coral cover. >> we believe if we can take action on one of the things we can directly control, the crown of thorns starfish, it may leave the reef in a position where it can better withstand some of the climatic impact spite cyclone and coral bleaching. >> regardless of what is causing the damage, brain biologists say action needs to be taken now to save the r
Search Results 0 to 3 of about 4 (some duplicates have been removed)